In The Name Of God 

its a very beautiful desktop theme based on conky and using aureola widgets

Classic Conky Theme For Professionals - Easy Install

What things you need to install the software and how to install them Befor Install theme Make Sure You Have These Packages Installed On Your System

             * conky-lua
             * dmidecode
             * lm-sensors

type following commands in your terminal :

  $ git clone https://github.com/s-espriz/liontheme.git
  $ cd liontheme
  $chmod +x install
  $./install

#####if you use GNOME as your Desktop environment The Wallpaper will set automatically

#####if you use other desktop environment you have to set the wallpaper manually